<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>尚硅谷</title>
	<!-- <link rel="stylesheet" href="./css/app.css"> -->
	<link rel="stylesheet" href="/css/app.css">
	<!-- <link rel="stylesheet" href="http://127.0.0.1:9000/css/app.css"> -->
</head>
<body>
	<h1>尚硅谷前端</h1>
</body>
</html>